Performance & calculator

Key features added:

• Switched file search to SQLite + FTS for persistent file index (this is like fast, avg file search time is 20ms atm)
• Exclusions for build/cache/package folders
• Made search providers run concurrently
• Added ⌘K actions menu
• Added inline calculator
• Switched to a liquid glass UI & did improvements in terms of sizing etc.

Changelog

• calculator & liquid glass (b377bef)
• actions (cab152b)
• rebuild file index & super speed for file search (f1b1a85)
• UI improvements & better indexing, faster (f4bcc8d)
• file search, usage ranking basic indexing (4baf146)